Hair styling iron



FIG. 1 is a perspective view of the hair styling iron;

FIG. 2 is a top view of the hair styling iron;

FIG. 3 is a bottom view of the hair styling iron;

FIG. 4 is a side view of the hair styling iron;

FIG. 5 is a rear view of the hair styling iron; and,

FIG. 6 is a front side view of the hair styling iron.

The broken lines shown in the drawings illustrate potions of the hair styling iron and form no part of the claimed design. 

CLAIM The ornamental design for a hair styling iron, as shown, and described. 